The fabric: The woolly fabric has a touch of cozy sheepskin and is made from recyclable polyester/acrylic. Cordless with 3 heat settings The Ploov is a rechargeable heating pad with three heat settings. Thanks to the powerful lithium-ion battery, the PLOOV can provide cozy warmth for up to 5 hours. Battery Up to 5 hours of operation Technology The infrared heating technology is tested and safe for long-term use. The heating elements on the top of the heating pad come into direct contact with the body. The heat penetrates deep into the body, and no heat is lost to the air. Safety The Ploov features overheating protection. Sensors ensure that the heat is reduced in the event of unexpected heat buildup. Additionally, the overheating protection ensures that the heating product shuts off completely if the temperature inside the pad becomes too high. This allows you to enjoy the warmth without worry.